# include <rpc/types.h> /* For INADDR_LOOPBACK */
#endif
#ifdef USE_PAM
+#if defined(HAVE_SECURITY_PAM_APPL_H)
# include <security/pam_appl.h>
+#elif defined (HAVE_PAM_PAM_APPL_H)
+# include <pam/pam_appl.h>
+#endif
#endif
#ifdef HAVE_READPASSPHRASE_H
# include <readpassphrase.h>